Finding the Fourth Proportional to 296,046.75, 408,554.24 and 161,910.75
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Solution
The fourth proportional to 296,046.75, 408,554.24 and 161,910.75 is: 223,442.15
Step by Step Solution
- Step 1: Write the proportion equation
296,046.75 : 408,554.24 = 161,910.75 : x - Step 2: Convert to fraction form
296,046.75/408,554.24 = 161,910.75/x - Step 3: Cross multiply
296,046.75x = 408,554.24 × 161,910.75 - Step 4: Simplify right side
296,046.75x = 66,149,323,414.08 - Step 5: Solve for x
x = 66,149,323,414.08/296,046.75 - Step 6: Final answer
x = 223,442.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.